This acrylic ruler is great for all of your sewing and crafting projects. Use this handy ruler, with a thickness of 1/8 inch, for marking bag corners, placement marks, angles, and more. The see-through design allows for precision and accuracy, while the ruler also features a 30, 60, and two 45-degree angles, perfect for your favorite projects. With its robin egg blue lines, this ruler ensures easy visibility on light, dark, and medium-toned fabrics.